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Updated: Jun 3, 2025

Assessing the Development of Murine Plasmacytoid Dendritic Cells in Peyer's Patches Using Adoptive Transfer of Hematopoietic Progenitors
Published on: March 17, 2014
Helminth Infection Induces Innate Immune Priming in Plasmacytoid Dendritic Cells
Lamin B Cham1,2,3, Bradley Whitehead2,3, Marvin Werner3,4
1Department of Microbiology, Immunology, and Infectious Diseases, College of Medicine and Health Sciences, Arabian Gulf University, Manama, Bahrain.
Abstract:
Heligmosomoides polygyrus coinfection is reported to have protective antiviral effects against pulmonary viral infections. To investigate a potential underlying mechanism, we infected C57BL/6 mice with H. polygyrus larvae for 2 weeks. Bone marrow (BM)-derived plasmacytoid dendritic cells (pDCs) were generated and stimulated with Toll-like receptor agonists. We found increased expression of type 1 interferon genes (Ifnα1, Ifnα4, Ifnβ1, Mx1, Isg15), increased TNF, IL-6, IL-10 secretion, and higher expression of antigen presentation markers in BM-derived-pDCs from infected compared to naive control mice. Our findings may partly explain the mechanism of the antiviral protection previously reported in acute helminth infections.
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